For this case we have:
Cost of manufactures of T-shirts 
where x represents the number of T-shirts
Part A:
Substituting
in the total cost equation you have to:

Thus, the cost of 8 shirts will be 
Part B:
If
then

Thus, the cost of 12 shirts will be 
Answer:

Answer:
Roughly 2.11 or 19/9 yards
Step-by-step explanation:
76 inches divided by 12 equals 6.33 feet
6.33 feet divided by 3 equals 2.11 yards.
9514 1404 393
Answer:
67.0 square units
Step-by-step explanation:
The formula for the area is ...
Area = 1/2ab·sin(C)
Area = (1/2)(14)(28)sin(20°) ≈ 67.036 . . . . square units
The area of the triangle is about 67.0 square units.
Answer:
170 pints
Step-by-step explanation:
Since 1 cup is equivalent to half of a pint, you would divide the amount of cups by two to get your answer. 340/2=170
Answer:
36
Step-by-step explanation:
a² + b² = c²
a² + 77² = 85²
a² + 5929 = 7225
a² = 1296
a = 36